Hot-bed



July 2, 1935. L, c, EDGAR 2,006,759

HOT BED Filed March 2, 1935 IQZUQTLZG?! Lou/5 C. 506-346 AQM '30 abutting rail sections I and 2 whose ends are in- Patented July 2, 1935 UNITED STATES PATENT OFFICE HOT-BED Louis C. Edgar, Swissvale, Pa.

Application March 2, 1933, Serial No. 659,387

' 3 Claims. (01. 80-42) This invention relates to hot-beds such as are gitudinal and rigid to lateral movements of the used in steel mills for cooling work which has just latter. Further, that the skids A are not assobeen rolled, one of the objects being the provision ciated with any structure which might prevent of smooth carrying surfaces. Another object is them from flexing the slight amount obviously re- 5 to construct these hot-beds so the skids forming quired to accommodate the swinging actions of 5 their carrying surfaces are free to expand when the flexible supports B. That is, if the skids d, Without including p ting or slid ng $ur were carried by heavy relatively rigid beams or faces which naturally tend to reduce the desired t like which were, in t nt by th Stability of such structures. Other objects may flexible supports, the entire structure would be later become apparent. relatively rigid and would probably warp during 10 he a p y drawing illustrates 0116 use. Such warping might also happen if the ample 0f t e ve the Various figures being skids were not each supplied with its own indias follows: I vidual supports in the manner illustrated, but Figure 1 a perspe were, instead, provided with flexible supports Figure 2 a transverse cross-section from the common n or a m m of the Skids 15 Ce al pp wn in Figure and Although a specific example of this invention Figure 3 another transverse cross-section taken is disclosed in accordance t t patent t n from one of the oth supports shown in Figure utes, it is not intended to limit the inventive fea- A hot-beds carrying surface is generally a plutux-es exactly t t except as defined by t rality of parallel skids. The size of most beds f ll i g claims 20 requires that these be made from sections, which I claim:

are frequently railroad rails. The ends of these 1' A homoed including the combination of a rails are generally not abutted because of P plurality of skids, an anchorage for each of said dlmculty heietofore fi i 1n g f skids and one or more supports for each of said them to provlde for the us y exaggem e skids, said supports each including downwardly adjustment to keep them respectively flush their top and bottom ends, which are respectively The drawing Shows the skids A as including immovably connected to a supported sk1d at substantially right angles thereto and to a supportterfastened by bolted side plates 3, which are ing a Said parts and Said plates being in angle members and are themselves bolted to Stantlany the m anchorages 4. Their top edges are carefully mahot'bed mchldleg the combma'tlon of a chined to insure flushness with the heads of the mummy of Parallel sleds a Pentrally arranged rails. The anchorages 4 are in turn bolted to a anchorage for of f sklds, and a plurajhty 35 suitable base of supports for said skids spaced on both sides The skids may consist of as many rail sections of Said a110h0 1'ageS and ach including YV as proves necessary to secure the desired size. Of Wardly p ad Darts D V d W h fiexlble course, more simplified connections between the plates at their p and bottom ends, which are 40 rails may be made at unanchored points, provided respectively lmmovably Connected to a Supported 40 they are sufficiently rigid and do not obstruct the Skid a right angles o the enter line thereof passage of work. and to a supporting base, said parts and said One or more flexible supports B are on both plates being in substantially the same plane. sides of the anchorages 4. These each include 3. A hot-bed including a plurality of skids that downwardly spreading parts 6 provided with flexare arranged in parallel relationship, each of said 45 ible plates 1 and 8 at their top. and bottom ends, skids including at least two aline'd rails with their which are respectively connected to the skids berespective ends immovably interconnected, said ing suppo t d and to a pp g base. skids being positioned by supports which are im- The spreading parts 6 are angle irons riveted movably fixed to the same and are immovably to both sides of the plates 1 and 8 which are anchored, at least a portion of said supports in-- 50 themselves connected by Other milarly riveted eluding interposed flexible plates that immovangle irons to the parts mentioned. ably connect therewith and are arranged to flex It is to be not d tha the p a 1 d 8 are to accommodate expansion and contraction of arranged at right angles to the center line of the id kid supporting skids and are therefore flexible to lon- LOUIS C. EDGAR. 55 

